<template>
  <div class="divbg">
    <div class="login-container">
      <div class="login-l">
        <div>
          <p>智能制造</p>
          <p>客户服务平台</p>
        </div>
      </div>
      <div class="login-r">
        <el-form
          ref="loginForm"
          size="mini"
          :model="loginForm"
          :rules="loginRules"
          class="login-form"
          auto-complete="on"
          label-position="left"
        >
          <div class="title-container">
            <img src="@/assets/logo.png" alt />
          </div>

          <el-form-item prop="username">
            <span class="svg-container">
              <svg-icon icon-class="user" />
            </span>
            <el-input
              ref="username"
              v-model="loginForm.username"
              placeholder="用户名"
              name="username"
              type="text"
              tabindex="1"
              auto-complete="on"
            />
          </el-form-item>

          <el-form-item prop="password">
            <span class="svg-container">
              <svg-icon icon-class="password" />
            </span>
            <el-input
              :key="passwordType"
              ref="password"
              v-model="loginForm.password"
              :type="passwordType"
              placeholder="密码"
              name="password"
              tabindex="2"
              auto-complete="on"
              @keyup.enter.native="handleLogin"
            />
            <span class="show-pwd" @click="showPwd">
              <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
            </span>
          </el-form-item>
          <el-form-item style="border:0">
            <el-checkbox v-model="saveUserDataType" label="记住用户名和密码" name="type" />
          </el-form-item>

          <el-button
            :loading="loading"
            round
            size="small"
            type="primary"
            style="width:100%;margin-bottom:30px;"
            @click.native.prevent="handleLogin"
          >登录</el-button>

          <!-- <div class="tips">
            <span style="margin-right:20px;">username: admin</span>
            <span> password: any</span>
          </div>-->
        </el-form>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  name: "Login",
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!value) {
        callback(new Error("请输入账号"));
      } else {
        callback();
      }
    };
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error("密码长度必须大于六位"));
      } else {
        callback();
      }
    };
    return {
      loginForm: {
        username: "",
        password: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", validator: validateUsername }
        ],
        password: [
          { required: true, trigger: "blur", validator: validatePassword }
        ]
      },
      loading: false,
      passwordType: "password",
      redirect: undefined,
      saveUserDataType: false
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    },
    saveUserDataType: function(val) {
      if (val) {
        localStorage.setItem("userData", JSON.stringify(this.loginForm));
      } else {
        localStorage.removeItem("userData");
      }
    }
  },
  created() {
    const user = localStorage.getItem("userData");
    if (user) {
      const _user = JSON.parse(user);
      this.loginForm.username = _user.username;
      this.loginForm.password = _user.password;
      this.saveUserDataType = true;
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === "password") {
        this.passwordType = "";
      } else {
        this.passwordType = "password";
      }
      this.$nextTick(() => {
        this.$refs.password.focus();
      });
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          this.$store
            .dispatch("user/login", this.loginForm)
            .then(() => {
              if (window.screen.width < 1920) {
                this.$router.push({ path: this.redirect || "/mobile" });
              } else {
                this.$router.push({ path: this.redirect || "/" });
              }
              this.loading = false;
            })
            .catch(() => {
              this.loading = false;
            });
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    }
  }
};
</script>

<style lang="scss">
.login-container .el-input input {
  caret-color: #333 !important;
}
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  // .login-container .el-input input {
  //   color: $cursor;
  // }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 30px;
    border-radius: 50%;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 0px 5px 0px 15px;
      height: 32px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: #fff;
    height: 32px;
    border-radius: 20px;
    //color: #454545;
    .el-form-item__content {
      border-radius: 20px;
      height: 32px;
    }
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;
.divbg {
  width: 100%;
  height: 100%;
  background: url(../../assets/loginbg.jpg) no-repeat;
  background-size: 100% 100%;
  position: relative;
  .login-l {
    width: 250px;
    float: left;
    height: 390px;
    background: url(../../assets/login-l.jpg) no-repeat;
    background-size: 100% 100%;
    position: relative;
    > div {
      width: 200px;
      height: 120px;
      margin-top: 105px;
      margin-left: 23px;
      border: 3px solid #d75150;
      border-radius: 5px;
      > p {
        margin-top: 10px;
        font-size: 30px;
        color: #fff;
        margin-bottom: 10px;
        text-align: center;
      }
    }
  }
  .login-r {
    width: 390px;
    float: left;
    height: 390px;
    background: #fff;
  }
}
.login-container {
  height: 390px;
  width: 640px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -195px;
  margin-left: -320px;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 270px;
    max-width: 100%;
    padding: 25px 0 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 0px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;
    text-align: center;
    margin-bottom: 20px;
    img {
      max-width: 100%;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 1px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
